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fire rating

  1. D

    Unlimited Unprotected Openings in IIIB Building

    Hello Everyone, First time posting and looking for some input. I am doing a preliminary code analysis of an existing building to asses the possibility of a change of occupancy. I am pretty new to Type III construction (background in Type V) so please bear with me if this is a simple one...
  2. rjjh

    Egress Courts and exterior wall ratings

    I have a hotel buuisiness/clubhouse with 2 enclosed exterior courtyards, the building is mixed use and non-separated. egress from the various structures in the complex run through the exterior courts to exits around the perimeter gates. but, there are a few pinch points (listed below) between...
  3. Harrison Staab

    Continuity of Exterior Bearing Wall Fire Rating at Building Stepback

    Where a building steps back, does the supporting walls/structure need to maintain the same fire rating of the exterior bearing wall above? Specific application: California Building Code 2019 (sim. to IBC 2018) Six stories, 5 IIIA over 1 IA Group R-2 Multi-family apartment Type IIIA construction...
  4. P

    Fire Rating Question

    Hello, Our office is constructing an addition above an existing 7-story structure. The existing structure was originally constructed out of module steel boxes with light gauge cold-rolled steel floor, ceiling & wall infill framing. The new floor will be posted up above the existing roof framing...
  5. L

    Restaurant Cooler Rating

    I have a restaurant and commercial kitchen, both classified as A-2 occupancy, that is adjacent to a warehouse, classified as S-2. There is a cooler/freezer that is attached to both.. where stock is moved to/from the warehouse and to/from the kitchen so achieving a fire rating is feeling...
  6. N

    Adding Sound Barrier to UL Listed Assemblies

    Per IBC Section 721.1, “Where materials that change the capacity for heat dissipation are incorporated into a fire-resistance-rated assembly, fire test results or other substantiating data shall be made available to the building official to show that the required fire-resistance-rating time...
  7. R

    2-hour seperation to save a 155 year old tin ceiling

    We recently purchased a mixed use commercial building on a popular tourist strip, a three-story brownstone style build in 1855. The main level retail will be our gallery/showroom, and we're converting the upper two floors into our private residence. In the main floor galley it has the...
  8. K

    Panic Hardware and Door Closer

    I am trying to figure out if I need panic hardware/door closer/fire rated door for a vestibule that I am designing on an existing building. I have a 5B Construction Type Building, Occupancy Group B. The occupant load is 91 for the entire building spread over three floor. There are 4 exits total...
  9. eyan50495

    Water Heaters in Electrical Room

    Hi, I have previously done most projects in NYC but for a NYS project I am wondering if I can get more information. This is a Commercial Mercantile space and we have an electrical room in the basement. The client wants to relocate the water heaters int this electrical room and I am wondering...
  10. eyan50495

    Fire Ratings: Cardboard Baler

    Hi I have a Supermarket, Mercantile - Type VB building in New York State (Nassau County). They have asked for us to locate a Cardboard Baler in the basement. I have dealt with Trash Compactors/Chutes but not a baler. 1) Would you recommend enclosing this baler in a rated room (walls...
  11. C

    Exterior Door Fire Rating

    Working on a Type IA construction residential project with a sprinkler system. If the entrance door is at the property line does it need to have a fire rating?
  12. S

    What is a corridor?

    I know right! sounds simple enough. Been in building code enforcement for 25 year now so wait for it please! Definition from ICC 2012 CORRIDOR. An enclosed exit access component that defines and provides a path of egress travel. Now for some context. For 25 years I have thought that when you...
  13. D

    Proposed exterior deck for restaurant

    2015 IBC. Proposed deck would be no more than 18" above grade with barrier free access. Deck would abut adjacent structure directly up to the property line with an 1/2" gap. Adjacent structure is two story CMU construction. New deck would treated wood. Table 601 states that floor construction...
  14. J

    Treatment of Joint Between Shear Wall and Exterior Wall

    Hello All, this is my first post on this site, though I’ve found a lot of useful information here. I appreciate any guidance. I’m on a high-rise condo project where a 12” thick concrete shear wall makes up part of a demising wall between dwelling units (2009 IBC, Type IA construction). The...
  15. D

    Determining Type of Construction for permitting

    This should be simple for the long-timers here! SFR = Group R-3 House is elevated on concrete pilings / all supporting exterior columns/beams are concrete All floor systems are steel web trusses Stairs between floor levels are wood NO interior load bearing walls All exterior walls are 12"...
  16. M

    Table 602 - Rating required for entire wall?

    I have a IIB building in which a portion of the exterior wall has a fire separation distance of less than 10 feet. Am I correct thinking the portions of the exterior wall where the fire separation distance is less than 10' require a 1 hour rating where the portion of the wall with a FSD greater...
  17. T

    Parapet Fire Rating: 705.11

    Existing building is Type 1A, low-slope roof, parapets vary, but most are less than 30". Existing construction dwgs show FRT plywood on roof side of balloon framed steel stud wall/parapet. Existing roof membrane extends up and is adhered to FRT, lapping over top track, and then covered by wood...
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